Publication Pilsbry (1889): summary

Full Citation

Pilsbry, H.A. 1889. New and little-known American mollusks. Proceedings of the Academy of Natural Sciences of Philadelphia 41: 81-89. https://www.biodiversitylibrary.org/page/1849398.

Attributed Nominal Species

Sphaerium (Limosina) singleyi Pilsbry, 1889 = Eupera singleyi

(new name for Cyclas maculata Morelet, 1851)
Pilsbry, 1889. Proc. Acad. Nat. Sci. 41: ??.